The early Movements he created are all in the first six categories, and they were performed on stage in 1923 in Paris and in 1924 in America.

The later Movements are all in the last category or the Thirty-nine Series. These are a selection made by Gurdjieff out of exercises given by him during the last period of his life, from 1939 until his death in 1949.

Gurdjieff taught movements classes for different groups of people almost everyday, as he was approaching the last decade of his life until his death.

Today his 250 or so assembled 'Movements' represent to many of us the Work's immaculate heart.